Home / 56,891,948.23-78,511,095.23-30,786,463.24

Finding the Fourth Proportional to 56,891,948.23, 78,511,095.23 and 30,786,463.24

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Solution

The fourth proportional to 56,891,948.23, 78,511,095.23 and 30,786,463.24 is: 42,485,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891,948.23 : 78,511,095.23 = 30,786,463.24 : x
  2. Step 2: Convert to fraction form
    56,891,948.23/78,511,095.23 = 30,786,463.24/x
  3. Step 3: Cross multiply
    56,891,948.23x = 78,511,095.23 × 30,786,463.24
  4. Step 4: Simplify right side
    56,891,948.23x = 2,417,078,947,495,123
  5. Step 5: Solve for x
    x = 2,417,078,947,495,123/56,891,948.23
  6. Step 6: Final answer
    x = 42,485,431.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.